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Subtract 15/18 from 1/35

1/35 - 15/18 is -169/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 18 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    1/35 = 1 × 18/35 × 18 = 18/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    15/18 = 15 × 35/18 × 35 = 525/630
  4. Subtract the two fractions:
    18/630 - 525/630 = 18 - 525/630 = -507/630
  5. After reducing the fraction, the answer is -169/210

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